/*******************************************************************************
* Copyright (c) 2006-2012
* Software Technology Group, Dresden University of Technology
* DevBoost GmbH, Berlin, Amtsgericht Charlottenburg, HRB 140026
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Software Technology Group - TU Dresden, Germany;
* DevBoost GmbH - Berlin, Germany
* - initial API and implementation
******************************************************************************/
package org.reuseware.coconut.compositionprogram.diagram.edit.parts;
import java.util.ArrayList;
import java.util.Collections;
import java.util.LinkedList;
import java.util.List;
import org.eclipse.draw2d.ColorConstants;
import org.eclipse.draw2d.Ellipse;
import org.eclipse.draw2d.Graphics;
import org.eclipse.draw2d.IFigure;
import org.eclipse.draw2d.PositionConstants;
import org.eclipse.draw2d.Shape;
import org.eclipse.draw2d.StackLayout;
import org.eclipse.draw2d.geometry.Dimension;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.gef.EditPart;
import org.eclipse.gef.EditPolicy;
import org.eclipse.gef.GraphicalEditPart;
import org.eclipse.gef.Request;
import org.eclipse.gef.commands.Command;
import org.eclipse.gef.editpolicies.LayoutEditPolicy;
import org.eclipse.gef.editpolicies.NonResizableEditPolicy;
import org.eclipse.gef.editpolicies.ResizableEditPolicy;
import org.eclipse.gef.handles.MoveHandle;
import org.eclipse.gef.requests.CreateRequest;
import org.eclipse.gmf.runtime.diagram.ui.editparts.BorderedBorderItemEditPart;
import org.eclipse.gmf.runtime.diagram.ui.editparts.IBorderItemEditPart;
import org.eclipse.gmf.runtime.diagram.ui.editparts.IGraphicalEditPart;
import org.eclipse.gmf.runtime.diagram.ui.editpolicies.BorderItemSelectionEditPolicy;
import org.eclipse.gmf.runtime.diagram.ui.editpolicies.EditPolicyRoles;
import org.eclipse.gmf.runtime.diagram.ui.figures.BorderItemLocator;
import org.eclipse.gmf.runtime.emf.type.core.IElementType;
import org.eclipse.gmf.runtime.gef.ui.figures.DefaultSizeNodeFigure;
import org.eclipse.gmf.runtime.gef.ui.figures.NodeFigure;
import org.eclipse.gmf.runtime.notation.Node;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.swt.graphics.Color;
import org.reuseware.coconut.compositionprogram.DerivedCompositionProgram;
import org.reuseware.coconut.compositionprogram.FragmentInstance;
import org.reuseware.coconut.compositionprogram.PortInstance;
import org.reuseware.coconut.compositionprogram.diagram.edit.policies.PortInstanceItemSemanticEditPolicy;
import org.reuseware.coconut.compositionprogram.diagram.part.CompositionprogramVisualIDRegistry;
import org.reuseware.coconut.compositionprogram.diagram.providers.CompositionprogramElementTypes;
/**
* @generated
*/
public class PortInstanceEditPart extends BorderedBorderItemEditPart {
/**
* @generated
*/
public static final int VISUAL_ID = 3001;
/**
* @generated
*/
protected IFigure contentPane;
/**
* @generated
*/
protected IFigure primaryShape;
/**
* @generated
*/
public PortInstanceEditPart(View view) {
super(view);
}
/**
* @generated NOT
*/
protected void createDefaultEditPolicies() {
super.createDefaultEditPolicies();
installEditPolicy(EditPolicy.PRIMARY_DRAG_ROLE,
getPrimaryDragEditPolicy());
installEditPolicy(EditPolicyRoles.SEMANTIC_ROLE,
new PortInstanceItemSemanticEditPolicy());
installEditPolicy(EditPolicy.LAYOUT_ROLE, createLayoutEditPolicy());
PortInstance portInstance = (PortInstance) ((Node) getModel()).getElement();
FragmentInstance fragmentInstance = portInstance.getFragmentInstance();
if (fragmentInstance != null && fragmentInstance.getCompositionProgram() instanceof DerivedCompositionProgram) {
removeEditPolicy(org.eclipse.gmf.runtime.diagram.ui.editpolicies.EditPolicyRoles.CONNECTION_HANDLES_ROLE);
removeEditPolicy(EditPolicyRoles.SEMANTIC_ROLE);
removeEditPolicy(EditPolicyRoles.CREATION_ROLE);
removeEditPolicy(EditPolicy.COMPONENT_ROLE);
}
if (portInstance.port() != null) {
removeEditPolicy(EditPolicyRoles.CREATION_ROLE);
removeEditPolicy(EditPolicy.COMPONENT_ROLE);
}
}
/**
* @generated
*/
protected LayoutEditPolicy createLayoutEditPolicy() {
org.eclipse.gmf.runtime.diagram.ui.editpolicies.LayoutEditPolicy lep = new org.eclipse.gmf.runtime.diagram.ui.editpolicies.LayoutEditPolicy() {
protected EditPolicy createChildEditPolicy(EditPart child) {
View childView = (View) child.getModel();
switch (CompositionprogramVisualIDRegistry
.getVisualID(childView)) {
case PortInstancePortNameEditPart.VISUAL_ID:
return new BorderItemSelectionEditPolicy() {
protected List createSelectionHandles() {
MoveHandle mh = new MoveHandle(
(GraphicalEditPart) getHost());
mh.setBorder(null);
return Collections.singletonList(mh);
}
};
}
EditPolicy result = child
.getEditPolicy(EditPolicy.PRIMARY_DRAG_ROLE);
if (result == null) {
result = new NonResizableEditPolicy();
}
return result;
}
protected Command getMoveChildrenCommand(Request request) {
return null;
}
protected Command getCreateCommand(CreateRequest request) {
return null;
}
};
return lep;
}
/**
* @generated
*/
protected IFigure createNodeShape() {
return primaryShape = new PortInstanceFigure();
}
/**
* @generated
*/
public PortInstanceFigure getPrimaryShape() {
return (PortInstanceFigure) primaryShape;
}
/**
* Modified to correct item offset
*
* @generated NOT
*/
protected void addBorderItem(IFigure borderItemContainer,
IBorderItemEditPart borderItemEditPart) {
if (borderItemEditPart instanceof PortInstancePortNameEditPart) {
BorderItemLocator locator = new BorderItemLocator(getMainFigure(),
PositionConstants.SOUTH);
//!BEGIN MODIFICATION
locator.setBorderItemOffset(new Dimension(-4, -4));
//!END MODIFICATION
borderItemContainer.add(borderItemEditPart.getFigure(), locator);
} else {
super.addBorderItem(borderItemContainer, borderItemEditPart);
}
}
/**
* @generated
*/
protected NodeFigure createNodePlate() {
DefaultSizeNodeFigure result = new DefaultSizeNodeFigure(20, 20);
result.getBounds().setSize(result.getPreferredSize());
return result;
}
/**
* @generated
*/
public EditPolicy getPrimaryDragEditPolicy() {
EditPolicy result = super.getPrimaryDragEditPolicy();
if (result instanceof ResizableEditPolicy) {
ResizableEditPolicy ep = (ResizableEditPolicy) result;
ep.setResizeDirections(PositionConstants.NONE);
}
return result;
}
/**
* Creates figure for this edit part.
*
* Body of this method does not depend on settings in generation model
* so you may safely remove <i>generated</i> tag and modify it.
*
* <p>
*
* Modified to support hiding
*
* @generated NOT
*/
protected NodeFigure createMainFigure() {
NodeFigure figure = createNodePlate();
figure.setLayoutManager(new StackLayout());
IFigure shape = createNodeShape();
figure.add(shape);
contentPane = setupContentPane(shape);
//!BEGIN MODFIFICATION
updateFace();
//!END MODIFICATION
return figure;
}
/**
* Default implementation treats passed figure as content pane.
* Respects layout one may have set for generated figure.
* @param nodeShape instance of generated figure class
* @generated
*/
protected IFigure setupContentPane(IFigure nodeShape) {
return nodeShape; // use nodeShape itself as contentPane
}
/**
* @generated
*/
public IFigure getContentPane() {
if (contentPane != null) {
return contentPane;
}
return super.getContentPane();
}
/**
* @generated
*/
protected void setForegroundColor(Color color) {
if (primaryShape != null) {
primaryShape.setForegroundColor(color);
}
}
/**
* @generated
*/
protected void setBackgroundColor(Color color) {
if (primaryShape != null) {
PortInstance port = (PortInstance) ((Node) getModel()).getElement();
if (port.canContribute()) {
primaryShape.setBackgroundColor(ColorConstants.black);
} else if (port.canReceive()) {
primaryShape.setBackgroundColor(color);
} else /*configuring*/{
primaryShape.setBackgroundColor(color);
}
}
}
/**
* @generated
*/
protected void setLineWidth(int width) {
if (primaryShape instanceof Shape) {
((Shape) primaryShape).setLineWidth(width);
}
}
/**
* @generated
*/
protected void setLineType(int style) {
if (primaryShape instanceof Shape) {
((Shape) primaryShape).setLineStyle(style);
}
}
/**
* @generated
*/
public EditPart getPrimaryChildEditPart() {
return getChildBySemanticHint(CompositionprogramVisualIDRegistry
.getType(PortInstancePortNameEditPart.VISUAL_ID));
}
/**
* @generated
*/
public List<IElementType> getMARelTypesOnSource() {
ArrayList<IElementType> types = new ArrayList<IElementType>(1);
types.add(CompositionprogramElementTypes.CompositionLink_4001);
return types;
}
/**
* @generated
*/
public List<IElementType> getMARelTypesOnSourceAndTarget(
IGraphicalEditPart targetEditPart) {
LinkedList<IElementType> types = new LinkedList<IElementType>();
if (targetEditPart instanceof org.reuseware.coconut.compositionprogram.diagram.edit.parts.PortInstanceEditPart) {
types.add(CompositionprogramElementTypes.CompositionLink_4001);
}
return types;
}
/**
* @generated
*/
public List<IElementType> getMATypesForTarget(IElementType relationshipType) {
LinkedList<IElementType> types = new LinkedList<IElementType>();
if (relationshipType == CompositionprogramElementTypes.CompositionLink_4001) {
types.add(CompositionprogramElementTypes.PortInstance_3001);
}
return types;
}
/**
* @generated
*/
public List<IElementType> getMARelTypesOnTarget() {
ArrayList<IElementType> types = new ArrayList<IElementType>(1);
types.add(CompositionprogramElementTypes.CompositionLink_4001);
return types;
}
/**
* @generated
*/
public List<IElementType> getMATypesForSource(IElementType relationshipType) {
LinkedList<IElementType> types = new LinkedList<IElementType>();
if (relationshipType == CompositionprogramElementTypes.CompositionLink_4001) {
types.add(CompositionprogramElementTypes.PortInstance_3001);
}
return types;
}
/**
* @generated
*/
public class PortInstanceFigure extends Ellipse {
/**
* @generated
*/
public PortInstanceFigure() {
this.setLineWidth(3);
this.setLineStyle(Graphics.LINE_DOT);
this.setForegroundColor(ColorConstants.black);
}
/**
* @generated
*/
private boolean myUseLocalCoordinates = false;
/**
* @generated
*/
protected boolean useLocalCoordinates() {
return myUseLocalCoordinates;
}
/**
* @generated
*/
protected void setUseLocalCoordinates(boolean useLocalCoordinates) {
myUseLocalCoordinates = useLocalCoordinates;
}
}
//!BEGIN MODIFICATION
public void updateFace() {
if (!primaryShape.isVisible()) {
return;
}
PortInstance port = (PortInstance) ((Node) getModel()).getElement();
if (port == null)
return;
if (getPrimaryShape() == null)
return;
setColors(getPrimaryShape());
}
private void setColors(IFigure shape) {
setBackgroundColor(ColorConstants.white);
if (!(shape instanceof PortInstanceFigure)) {
return;
}
PortInstanceFigure figure = (PortInstanceFigure) shape;
PortInstance port = (PortInstance) ((Node) getModel()).getElement();
if (port.canContribute()) {
figure.setForegroundColor(ColorConstants.black);
figure.setLineStyle(Graphics.LINE_SOLID);
} else if (port.canReceive()) {
figure.setForegroundColor(ColorConstants.black);
figure.setLineStyle(Graphics.LINE_SOLID);
} else /*configuring*/{
figure.setForegroundColor(ColorConstants.black);
figure.setLineStyle(Graphics.LINE_DOT);
}
if (port.port() == null) {
figure.setForegroundColor(ColorConstants.darkGray);
}
}
protected void handleNotificationEvent(Notification event) {
if (event.getNotifier() instanceof PortInstance) {
updateFace();
}
super.handleNotificationEvent(event);
}
//!END MODIFICATION
}